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Categories: Engineering: Nanotechnology, Space: Astronomy
Published Tiny nanocarriers could prove the magic bullet for acne sufferers
(via sciencedaily.com) It's a skin disorder that makes life miserable for around 800 million teenagers and adults worldwide, but cientists may have found an effective treatment for acne, delivered via tiny nanoparticles.
Published Matter comprises of 31% of the total amount of matter and energy in the universe
(via sciencedaily.com) One of the most interesting and important questions in cosmology is, 'How much matter exists in the universe?' An international team has now succeeded in measuring the total amount of matter for the second time. The team determined that matter makes up 31% of the total amount of matter and energy in the universe, with the remainder consisting of dark energy.
Published Pixel-by-pixel analysis yields insights into lithium-ion batteries
(via sciencedaily.com) By mining X-ray images, researchers have made significant new discoveries about the reactivity of lithium iron phosphate, a material used in batteries for electric cars and in other rechargeable batteries.
Published Discovery of two potential Polar Ring galaxies suggests these stunning rare clusters might be more common than previously believed
(via sciencedaily.com) These new detections suggest polar ring galaxies might be more common than previously believed.
Published Ultrathin nanotech promises to help tackle antibiotic resistance
(via sciencedaily.com) Researchers have invented a nano-thin superbug-slaying material that could one day be integrated into wound dressings and implants to prevent or heal bacterial infections. The innovation -- which has undergone advanced pre-clinical trials -- is effective against a broad range of drug-resistant bacterial cells, including 'golden staph', which are commonly referred to as superbugs.
Published Dark matter halos measured around ancient quasars
(via sciencedaily.com) At the center of every galaxy is a supermassive black hole. Beyond a certain size, these become active, emitting huge amounts of radiation, and are then called quasars. It is thought these are activated by the presence of massive dark matter halos (DMH) surrounding the galaxy, directing matter towards the center, feeding the black hole. A team has now surveyed hundreds of ancient quasars and found this behavior is very consistent throughout history. This is surprising, as many large-scale processes show variation throughout the life of the universe, so the mechanism of quasar activation could have implications for the evolution of the entire universe.
Published The universe caught suppressing cosmic structure growth
(via sciencedaily.com) As the universe evolves, scientists expect large cosmic structures to grow at a certain rate: dense regions such as galaxy clusters would grow denser, while the void of space would grow emptier.
Published Water world? Methane, carbon dioxide in atmosphere of massive exoplanet
(via sciencedaily.com) A new investigation with NASA's James Webb Space Telescope into K2-18 b, an exoplanet 8.6 times as massive as Earth, has revealed the presence of carbon-bearing molecules including methane and carbon dioxide. Webb's discovery adds to recent studies suggesting that K2-18 b could be a Hycean exoplanet, one which has the potential to possess a hydrogen-rich atmosphere and a water ocean-covered surface.
Published Study hints at the existence of the closest black holes to Earth in the Hyades star cluster
(via sciencedaily.com) A new article hints at the existence of several black holes in the Hyades cluster -- the closest open cluster to our solar system -- which would make them the closest black holes to Earth ever detected.
Published Ravenous black hole consumes three Earths'-worth of star every time it passes
(via sciencedaily.com) Massive burst of X-rays detected by astronomers indicates material three times the mass of Earth burning up in a black hole. They observed a star like our own Sun being eaten away every time it orbits close. First time a Sun-like star being repeatedly disrupted by a low mass black hole has been seen, opening the possibility of a range of star and black hole combinations to be discovered.
Published New cosmological constraints on the nature of dark matter
(via sciencedaily.com) New research has revealed the distribution of dark matter in never before seen detail, down to a scale of 30,000 light-years. The observed distribution fluctuations provide better constraints on the nature of dark matter.
Published Furthest ever detection of a galaxy's magnetic field
(via sciencedaily.com) Astronomers have detected the magnetic field of a galaxy so far away that its light has taken more than 11 billion years to reach us: we see it as it was when the Universe was just 2.5 billion years old. The result provides astronomers with vital clues about how the magnetic fields of galaxies like our own Milky Way came to be.
Published Atomic-scale spin-optical laser: New horizon of optoelectronic devices
(via sciencedaily.com) Researchers have pushed the limits of the possible in the field of atomic-scale spin-optics, creating a spin-optical laser from monolayer-integrated spin-valley microcavities without requiring magnetic fields or cryogenic temperatures.
Published Atomically-precise quantum antidots via vacancy self-assembly
(via sciencedaily.com) Scientists demonstrated a conceptual breakthrough by fabricating atomically precise quantum antidots using self-assembled single vacancies in a two-dimensional transition metal dichalcogenide.
Published Hot Jupiter blows its top
(via sciencedaily.com) The planet HAT-P-32b is losing so much of its atmospheric helium that the trailing gas tails are among the largest structures yet known any planet outside our solar system. Three-dimensional (3D) simulations helped model the flow of the planet's atmosphere. The scientists hope to widen their planet-observing net and survey 20 additional star systems to find more planets losing their atmosphere and learn about their evolution.
Published Webb reveals new structures within iconic supernova
(via sciencedaily.com) NASA's James Webb Space Telescope has begun the study of one of the most renowned supernovae, SN 1987A (Supernova 1987A). Located 168,000 light-years away in the Large Magellanic Cloud, SN 1987A has been a target of intense observations at wavelengths ranging from gamma rays to radio for nearly 40 years, since its discovery in February of 1987. New observations by Webb's NIRCam (Near-Infrared Camera) provide a crucial clue to our understanding of how a supernova develops over time to shape its remnant.
Published Peering into nanofluidic mysteries one photon at a time
(via sciencedaily.com) Original source Researchers have revealed an innovative approach to track individual molecule dynamics within nanofluidic structures, illuminating their response to molecules in ways never before possible.
Published Scientists detect and validate the longest-period exoplanet found with TESS
(via sciencedaily.com) Scientists have detected and validated two of the longest-period exoplanets found by TESS to date. These long period large exoplanets orbit a K dwarf star and belong to a class of planets known as warm Jupiters, which have orbital periods of 10-200 days and are at least six times Earth's radius. This recent discovery offers exciting research opportunities for the future of finding long-period planets that resemble those in our own solar system.
Published New giant planet evidence of possible planetary collisions
(via sciencedaily.com) A Neptune-sized planet denser than steel has been discovered by an international team of astronomers, who believe its composition could be the result of a giant planetary clash.
Published Unprecedented gamma-ray burst explained by long-lived jet
(via sciencedaily.com) While astrophysicists previously believed that only supernovae could generate long gamma-ray bursts (GRBs), a 2021 observation uncovered evidence that compact-object mergers also can generate the phenomenon. Now, a new simulation confirms and explains this finding. If the accretion disk around the black hole is massive, it launches a jet that lasts several seconds, matching the description of a long GRB from a merger.